1 /*
   2  * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test NonTieredLevelsTest
  26  * @library /testlibrary /test/lib /
  27  * @modules java.base/jdk.internal.misc
  28  * @modules java.management
  29  * @ignore 8157984
  30  * @build NonTieredLevelsTest
  31  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  32  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  33  * @run main/othervm -Xbootclasspath/a:. -XX:-TieredCompilation
  34  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-UseCounterDecay
  35  *                   -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::*
  36  *                   NonTieredLevelsTest
  37  * @summary Verify that only one level can be used
  38  * @author igor.ignatyev@oracle.com
  39  */
  40 
  41 import java.util.function.IntPredicate;
  42 import compiler.whitebox.CompilerWhiteBoxTest;
  43 
  44 public class NonTieredLevelsTest extends CompLevelsTest {
  45     private static final int AVAILABLE_COMP_LEVEL;
  46     private static final IntPredicate IS_AVAILABLE_COMPLEVEL;
  47     static {
  48         String vmName = System.getProperty("java.vm.name");
  49         if (vmName.endsWith(" Server VM")) {
  50             AVAILABLE_COMP_LEVEL = COMP_LEVEL_FULL_OPTIMIZATION;
  51             IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_FULL_OPTIMIZATION;
  52         } else if (vmName.endsWith(" Client VM")
  53                 || vmName.endsWith(" Minimal VM")) {
  54             AVAILABLE_COMP_LEVEL = COMP_LEVEL_SIMPLE;
  55             IS_AVAILABLE_COMPLEVEL = x -> x >= COMP_LEVEL_SIMPLE
  56                     && x <= COMP_LEVEL_FULL_PROFILE;
  57         } else {
  58             throw new RuntimeException("Unknown VM: " + vmName);
  59         }
  60 
  61     }
  62     public static void main(String[] args) throws Exception {
  63         if (CompilerWhiteBoxTest.skipOnTieredCompilation(true)) {
  64             return;
  65         }
  66         CompilerWhiteBoxTest.main(NonTieredLevelsTest::new, args);
  67     }
  68 
  69     private NonTieredLevelsTest(TestCase testCase) {
  70         super(testCase);
  71         // to prevent inlining of #method
  72         WHITE_BOX.testSetDontInlineMethod(method, true);
  73     }
  74 
  75     @Override
  76     protected void test() throws Exception {
  77         if (skipXcompOSR()) {
  78           return;
  79         }
  80         checkNotCompiled();
  81         compile();
  82         checkCompiled();
  83 
  84         int compLevel = getCompLevel();
  85         checkLevel(AVAILABLE_COMP_LEVEL, compLevel);
  86         int bci = WHITE_BOX.getMethodEntryBci(method);
  87         deoptimize();
  88         if (!testCase.isOsr()) {
  89             for (int level = 1; level <= COMP_LEVEL_MAX; ++level) {
  90                 if (IS_AVAILABLE_COMPLEVEL.test(level)) {
  91                     testAvailableLevel(level, bci);
  92                 } else {
  93                     testUnavailableLevel(level, bci);
  94                 }
  95             }
  96         } else {
  97             System.out.println("skip other levels testing in OSR");
  98             testAvailableLevel(AVAILABLE_COMP_LEVEL, bci);
  99         }
 100     }
 101 }
 102